DE3162302D1 - Process for the preparation of hydroxyarylglyoxylic acids and their alkali salts, and their use in the preparation of sodium-para-hydroxyphenyl glyoxylate - Google Patents

Process for the preparation of hydroxyarylglyoxylic acids and their alkali salts, and their use in the preparation of sodium-para-hydroxyphenyl glyoxylate

Info

Publication number
DE3162302D1
DE3162302D1 DE8181401352T DE3162302T DE3162302D1 DE 3162302 D1 DE3162302 D1 DE 3162302D1 DE 8181401352 T DE8181401352 T DE 8181401352T DE 3162302 T DE3162302 T DE 3162302T DE 3162302 D1 DE3162302 D1 DE 3162302D1
Authority
DE
Germany
Prior art keywords
preparation
para
sodium
alkali salts
hydroxyarylglyoxylic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE8181401352T
Other languages
English (en)
Inventor
Alain Schouteeten
Yani Christidis
Jean-Claude Vallejos
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanofi Aventis France
Original Assignee
Francaise Hoechst Ste
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Francaise Hoechst Ste filed Critical Francaise Hoechst Ste
Application granted granted Critical
Publication of DE3162302D1 publication Critical patent/DE3162302D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/41—Preparation of salts of carboxylic acids
    • C07C51/412—Preparation of salts of carboxylic acids by conversion of the acids, their salts, esters or anhydrides with the same carboxylic acid part
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
    • C07C45/32—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen
    • C07C45/37—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups
    • C07C45/39—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of >C—O—functional groups to >C=O groups being a secondary hydroxyl group
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/52—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings
    • C07C47/575—Compounds having —CHO groups bound to carbon atoms of six—membered aromatic rings containing ether groups, groups, groups, or groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/373—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in doubly bound form
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE8181401352T 1980-09-04 1981-08-27 Process for the preparation of hydroxyarylglyoxylic acids and their alkali salts, and their use in the preparation of sodium-para-hydroxyphenyl glyoxylate Expired DE3162302D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8019103A FR2489313A1 (fr) 1980-09-04 1980-09-04 Procede de fabrication d'acides hydroxyarylglyoxyliques et de leurs sels alcalins et son application a la fabrication du para-hydroxyphenylglyoxylate de sodium

Publications (1)

Publication Number Publication Date
DE3162302D1 true DE3162302D1 (en) 1984-03-22

Family

ID=9245655

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181401352T Expired DE3162302D1 (en) 1980-09-04 1981-08-27 Process for the preparation of hydroxyarylglyoxylic acids and their alkali salts, and their use in the preparation of sodium-para-hydroxyphenyl glyoxylate

Country Status (8)

Country Link
US (1) US4384137A (de)
EP (1) EP0047693B1 (de)
JP (1) JPS57501526A (de)
CA (1) CA1162940A (de)
DE (1) DE3162302D1 (de)
ES (1) ES505170A0 (de)
FR (1) FR2489313A1 (de)
WO (1) WO1982000821A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2062205A (en) * 1932-03-21 1936-11-24 Boedecker Friedrich Process of producing the m-alkylethers of protocatechuic aldehyde
US2640083A (en) * 1949-11-09 1953-05-26 Olin Mathieson Manufacture of vanillin and its homologues
DE2116293A1 (de) * 1971-04-02 1972-10-19 Cassella Farbwerke Mainkur Ag, 6000 Frankfurt Ketonderivate und Verfahren zu ihrer Herstellung
BE788749A (fr) * 1971-09-13 1973-03-13 Takeda Chemical Industries Ltd Acide 3-(benzoyl trisubstitue)-propionique et son procede de preparation
DE2824407A1 (de) * 1978-06-03 1979-12-13 Bayer Ag Verfahren zur herstellung von arylglyoxylsaeuren

Also Published As

Publication number Publication date
EP0047693B1 (de) 1984-02-15
FR2489313A1 (fr) 1982-03-05
ES8206420A1 (es) 1982-08-16
EP0047693A1 (de) 1982-03-17
US4384137A (en) 1983-05-17
FR2489313B1 (de) 1984-03-23
WO1982000821A1 (en) 1982-03-18
ES505170A0 (es) 1982-08-16
CA1162940A (fr) 1984-02-28
JPS57501526A (de) 1982-08-26

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee